J lock



FIG. 1 is a front perspective view of a J lock showing our new design as coupled to a ladder; the broken lines showing a ladder is for illustrative purposes only and form no part of the claimed design;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a front side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a back side elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a perspective view thereof.

The broken lines shown in the figures are for the purpose of illustrating environment and form no part of the claimed design. 

CLAIM The ornamental design for a J lock, as shown and described. 